Shift Pressure Shift Valve
Each shift group possesses one shift pressu re shift
valve (4) (Fig. 106). The 1-2 / 4-5 and 2-3 shift pres-
su re sh ift valves are in st alled in the shift valve hous-
ing; t he 3-4 shift pr essu re shift va lve is insta lled in
the valve housing. It assign s t he shift pr essu re (p-S)
to the a ctivating actu ator and the over lap pressu re
(p-Ü) regulated by t he overlap regulating valve to t he
deactivating actuator.
Lubrication Pressure Regulating Valve
The lubr icat ion pressu re regulating valve (1) (Fig.
107) is located in the valve h ousing of th e elect rohy-
dr aulic cont rol m odu le. Th e valve cont rols the fluid
to lubrica te a nd cool the m echan ical par t of the
transmission , and limits the pr essu re in t he tor que
conver ter.
Shift Pressure Regulating Valve
The sh ift pressure regulating valve (1) (Fig. 108) is
locat ed in th e valve housin g of the shift plate. It reg-
ula tes the sh ift pressur e (p-S).
Fig. 106 Shift Pressure Shift Valve
1 - 1-2/4-5 COMMAND VALVE
2 - DRIVING CLUTCH K1
3 - HOLDING CLUTCH B1
4 - 1-2/4-5 SHIFT PRESSURE SHIFT VALVE
Fig. 107 Lubrication Pressure Regulating Valve
1 - LUBRICATION PRESSURE REGULATING VALVE
Fig. 108 Shift Pressure Regulating Valve
1 - SHIFT PRESSURE REGULATING VALVE
VA AUTOMATIC TRANSMISSION NAG1 - SERVICE INFORMATION 21 - 111
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